Low acidity phosphate esters
US7442737B2 · kind B2 · utility
0Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2003 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Jun 15, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.